CDC 4N051 Set A, Volume 2 -- Self-Test
Question and Unit Review Exercise with
Verified Solutions
Where is the femur located in the human body?
✔✔It is the bone in the thigh, the longest and strongest bone in the body.
What is the role of the diaphragm in respiration?
✔✔The diaphragm contracts to expand the chest cavity, allowing the lungs to fill with air.
What is the primary function of the small intestine?
✔✔To absorb nutrients from digested food.
Which part of the brain controls voluntary muscle movements?
✔✔The motor cortex, located in the frontal lobe.
What type of tissue connects muscles to bones?
✔✔Tendons connect muscles to bones.
1
,What is the function of the lymphatic system?
✔✔To transport lymph, which helps remove toxins and waste from the body.
What is the main purpose of the circulatory system?
✔✔To transport blood, oxygen, and nutrients throughout the body.
Where are the kidneys located in the human body?
✔✔The kidneys are located in the lower back, one on each side of the spine.
What is the role of the pancreas in digestion?
✔✔The pancreas produces enzymes that break down food and insulin to regulate blood sugar
levels.
What is the function of the endocrine system?
✔✔To secrete hormones that regulate various functions such as growth, metabolism, and mood.
Where is the heart located in the human body?
✔✔The heart is located in the thoracic cavity, slightly to the left of the midline.
2
,What is the function of the respiratory system?
✔✔To bring oxygen into the body and remove carbon dioxide.
What is the role of the spleen in the immune system?
✔✔The spleen filters blood and helps fight infections.
What is the primary function of the large intestine?
✔✔To absorb water and salts from the material that has not been digested as food.
What type of joint allows for rotational movement?
✔✔Ball-and-socket joints, such as the shoulder and hip, allow for rotational movement.
What is the primary role of the white blood cells?
✔✔To fight infections and protect the body from foreign invaders.
What part of the brain is responsible for memory and learning?
✔✔The hippocampus, located in the temporal lobe.
3
, Where are the ovaries located in the female body?
✔✔The ovaries are located in the pelvic cavity, one on each side of the uterus.
What is the function of the skeletal system?
✔✔To provide structure, protect internal organs, and allow for movement.
What is the main function of the urinary system?
✔✔To remove waste products and excess substances from the blood to form urine.
What is the primary function of the nervous system?
✔✔To control and coordinate body activities by transmitting signals between different parts of
the body.
What part of the brain controls breathing and heart rate?
✔✔The medulla oblongata, located in the brainstem.
Where is the thyroid gland located?
4
Question and Unit Review Exercise with
Verified Solutions
Where is the femur located in the human body?
✔✔It is the bone in the thigh, the longest and strongest bone in the body.
What is the role of the diaphragm in respiration?
✔✔The diaphragm contracts to expand the chest cavity, allowing the lungs to fill with air.
What is the primary function of the small intestine?
✔✔To absorb nutrients from digested food.
Which part of the brain controls voluntary muscle movements?
✔✔The motor cortex, located in the frontal lobe.
What type of tissue connects muscles to bones?
✔✔Tendons connect muscles to bones.
1
,What is the function of the lymphatic system?
✔✔To transport lymph, which helps remove toxins and waste from the body.
What is the main purpose of the circulatory system?
✔✔To transport blood, oxygen, and nutrients throughout the body.
Where are the kidneys located in the human body?
✔✔The kidneys are located in the lower back, one on each side of the spine.
What is the role of the pancreas in digestion?
✔✔The pancreas produces enzymes that break down food and insulin to regulate blood sugar
levels.
What is the function of the endocrine system?
✔✔To secrete hormones that regulate various functions such as growth, metabolism, and mood.
Where is the heart located in the human body?
✔✔The heart is located in the thoracic cavity, slightly to the left of the midline.
2
,What is the function of the respiratory system?
✔✔To bring oxygen into the body and remove carbon dioxide.
What is the role of the spleen in the immune system?
✔✔The spleen filters blood and helps fight infections.
What is the primary function of the large intestine?
✔✔To absorb water and salts from the material that has not been digested as food.
What type of joint allows for rotational movement?
✔✔Ball-and-socket joints, such as the shoulder and hip, allow for rotational movement.
What is the primary role of the white blood cells?
✔✔To fight infections and protect the body from foreign invaders.
What part of the brain is responsible for memory and learning?
✔✔The hippocampus, located in the temporal lobe.
3
, Where are the ovaries located in the female body?
✔✔The ovaries are located in the pelvic cavity, one on each side of the uterus.
What is the function of the skeletal system?
✔✔To provide structure, protect internal organs, and allow for movement.
What is the main function of the urinary system?
✔✔To remove waste products and excess substances from the blood to form urine.
What is the primary function of the nervous system?
✔✔To control and coordinate body activities by transmitting signals between different parts of
the body.
What part of the brain controls breathing and heart rate?
✔✔The medulla oblongata, located in the brainstem.
Where is the thyroid gland located?
4
